(19)
(11) EP 1 781 731 A2

(12)

(88) Date of publication A3:
01.03.2007

(43) Date of publication:
09.05.2007 Bulletin 2007/19

(21) Application number: 05769038.0

(22) Date of filing: 01.07.2005
(51) International Patent Classification (IPC): 
C08K 3/40(2006.01)
C03C 3/097(2006.01)
C03C 3/083(2006.01)
C03C 3/062(2006.01)
C03C 3/112(2006.01)
C03C 3/095(2006.01)
C03C 3/078(2006.01)
(86) International application number:
PCT/US2005/023610
(87) International publication number:
WO 2006/014375 (09.02.2006 Gazette 2006/06)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 02.07.2004 US 882189

(71) Applicant: DEN-MAT CORPORATION
Santa Maria California 93455 (US)

(72) Inventors:
  • CHADWICK, Thomas, C.
    Nipomo, CA 93444 (US)
  • SANTIAGO, Rebecca, K.
    Santa Maria, CA 93455-4160 (US)

(74) Representative: Duffy, Assumpta Dympna et al
F. R. Kelly & Co., 27 Clyde Road, Ballsbridge
Dublin 4
Dublin 4 (IE)

   


(54) YTTERBIUM-BARIUM SILICATE RADIOPAQUE GLASSES